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sellWeak cluster of 210b5-1 plan

Stanley C Erck sold $177k of MXCT

director at MAXCYTE, INC.. 47,689 shares at an average of $3.72, traded Nov 1, 2024, filed Nov 5, 2024.

Warning score
5
Value
$177k
47,689 shares
Holdings after
269,118
-15% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Director
    +15
  • Trade size
    $177k at market
    +12
  • Share of holdings sold
    Sold 15% of holdings
    +5
  • Cluster
    2 insiders selling within 14 days
    +8
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -7.3%, 3m +16.6%, 6m -31.1%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

MXCTOct 9, 2026 · close 1.01
Since filing Nov 5, 2024: -73.8%SPY +38.1% · excess -112.0%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001415889-24-026144, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 1, 2024MOption exercise
Common Stock10b5-1
+47,689$0.04$1,908316,807Nov 5, 2024
Nov 1, 2024SOpen-market sale
Common Stock10b5-1
-47,689$3.72$177k269,118Nov 5, 2024
Nov 1, 2024MOption exercise
Employee Stock Option (right to buy)derivative10b5-1
-47,689$0.00$00Nov 5, 2024

Related signals

Other insiders at MAXCYTE, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
0Weak
MXCTsell10b5-1
MAXCYTE, INC.
Rekha Hemrajani
director
$22k
10,684 shares
-21%
62Notable
MXCTbuy 5
MAXCYTE, INC.
William W Brooke
director
$65k
50,000 shares
+50%
68Notable
MXCTbuy 5
MAXCYTE, INC.
Richard Douglas
director
$111k
80,000 shares
+53%
65Notable
MXCTbuy 5
MAXCYTE, INC.
Stanley C Erck
director
$137k
100,000 shares
+34%
78Notable
MXCTbuy 5
MAXCYTE, INC.
Maher Masoud
President and CEO
$103k
75,000 shares
+75%
69Notable
MXCTbuy 5
MAXCYTE, INC.
Douglas J Swirsky
CHIEF FINANCIAL OFFICER
$65k
50,000 shares
+45%
0Weak
MXCTsell10b5-1
MAXCYTE, INC.
John Joseph Johnston
director
$14k
3,000 shares
-2%
0Weak
MXCTsell10b5-1
MAXCYTE, INC.
John Joseph Johnston
director
$12k
3,000 shares
-2%
0Weak
MXCTsell10b5-1
MAXCYTE, INC.
John Joseph Johnston
director
$11k
3,000 shares
-2%
0Weak
MXCTsell 210b5-1
MAXCYTE, INC.
John Joseph Johnston
director
$11k
3,000 shares
-2%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Stanley C Erck sold $177k of MXCT | InsiderTell